This training is designed to help you improve your ability to identify the direction a form is facing at different points.

Instructions

• Look for the point on the form marked by the crosshairs.
• Feel which way the form is facing at that point.
• Try to find the point on the sphere that's facing the same direction.
• Mark your guess by clicking on the sphere.
• Click "Show answer" to see how close your guess was.

You can use the arrow keys to choose new points on the form.